Chapter 5

Question 1

what are the external male organs

Answer 1

penis and scrotum

Question 2

what are the 3 functions of the penis?

Answer 2

sexual pleasure, urination, reproduction

Question 3

what are the 3 sections of the penis?

Answer 3

roots, shaft and the glans

Question 4

what is the most sensitive area of the penis

Answer 4

the glans at the head of the penis

Question 5

what is the penis made up of?

Answer 5

smooth muscles meaning there is no bone
it is 3 spongy cylinders

Question 6

what are the corpora cavernosa?

Answer 6

2 of the cylinders in the penis which are covered with a fibrous sleeve that pulls tight when filled with blood and stiffens the penis

Question 7

what’s the corpus spongiosum?

Answer 7

the 3rd cylinder in the penis which stays soft and spongy during an erection

Question 8

how many layers are in the scrotum? what are they?

Answer 8

2 layers

the outer layer of skin with a little hair

the inner layer of involuntary muscle called the dartos

Question 9

what does the dartos muscle do?

Answer 9

makes the testes contract with cold

Question 10

what are the testes?

Answer 10

male reproductive organs that secrete male sex hormones and produce sperm

Question 11

Who is most likely to get cancer of the testes?

Answer 11

a disease that is most common in young people

Question 12

what are the first signs of cancer of the testes?

Answer 12

painless lump or slight enlargement or change in consistency of testes. or pain in lower abdomen or groin

Question 13

how is cancer of the testes diagnosed?

Answer 13

physical exam or testicular self exam and ultrasound

Question 14

what does the vas deferens do?

Answer 14

carry sperm to the prostate gland where they enter the urethra

Question 15

what do the seminal vesicles contribute?

Answer 15

contribute up to 70% of the ejaculate fluid

Question 16

what does the prostate gland do? why?

Answer 16

secrete a thick, milky, alkaline fluid. this makes a safe environment to maintain sperm